Fargo 45411 ribbon refills are used for printing a combination of full-color images and one-color text or barcodes. This ribbon refills are ECO-friendly and consist of yellow, magenta and cyan panels for printing a full spectrum of colors by combining the colors using varying degrees of heat. The K panel is a black resin panel, typically used for printing text and barcodes and the O panel is a thin, clear protective overlay that is applied to the entire surface of your cards. Fargo 45411 ribbons are specially back-coated to extend printhead life. The Fargo 45411 color ribbon includes a built-in cleaning roller and is compatible with Fargo C50 card printers. They are for use with a refillable Fargo ribbon cartridge.